CN113669343A - Compression-resistant and tensile combined bolt - Google Patents
Compression-resistant and tensile combined bolt Download PDFInfo
- Publication number
- CN113669343A CN113669343A CN202110897837.0A CN202110897837A CN113669343A CN 113669343 A CN113669343 A CN 113669343A CN 202110897837 A CN202110897837 A CN 202110897837A CN 113669343 A CN113669343 A CN 113669343A
- Authority
- CN
- China
- Prior art keywords
- pressing block
- connecting rod
- wall
- fixed end
- tensile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000006835 compression Effects 0.000 title claims abstract description 23
- 238000007906 compression Methods 0.000 title claims abstract description 23
- 239000011241 protective layer Substances 0.000 claims abstract description 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 7
- 239000004917 carbon fiber Substances 0.000 claims abstract description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920002635 polyurethane Polymers 0.000 claims abstract description 5
- 239000004814 polyurethane Substances 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 11
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/06—Specially-shaped heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/20—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of steel wire or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention discloses a compression-resistant and tensile combined bolt, which comprises a connecting rod; the fixed end is fixedly connected with the end part of the connecting rod, and a second mounting hole is formed in the inner wall of the fixed end and located on the outer side of the connecting rod. According to the invention, the tensile rope made of carbon fiber is wound on the inner side of the spiral groove, two ends of the tensile rope are fixed by the fixed end head and the second pressing block, a tool is used for rotating the second pressing block to apply force to generate torque, the torque causes the tensile rope to shrink along the spiral groove and the outer wall of the connecting rod and axially shorten, so that a connected part is compressed, the tensile strength of the tensile rope made of carbon fiber is far greater than that of a common fastening screw in the market at present, the length of the tensile rope can be properly adjusted through the locking assembly, and the arranged protective layer made of polyurethane and the sleeve on the outer wall of the connecting rod can well protect the tensile rope, reduce the abrasion condition of the tensile rope and prolong the service life.
Description
Technical Field
The invention relates to the technical field of fasteners, in particular to a compression-resistant and tensile-resistant combined bolt.
Background
The bolt is transmitted to the end heads at two ends and the nut by the pressure load of the threads to balance the tension, the tension and the pressure act at different positions, the tensile strength refers to the maximum tension of the bolt damaged by the axial tension, and the damage of the bolt refers to the condition that the bolt is completely damaged by strong tension and loses the bearing capacity.
The abnormal performance of the common bolts in the market is basically that the bolts fail due to overlarge tensile stress caused by tensile load, and no better solution is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a compression-resistant and tension-resistant combined bolt.
In order to achieve the purpose, the invention adopts the following technical scheme: a compression-resistant and tensile-resistant combined bolt comprises a connecting rod; the fixed end is fixedly connected to the end part of the connecting rod, and a second mounting hole is formed in the inner wall of the fixed end and positioned on the outer side of the connecting rod; the spiral groove is arranged on the outer wall of one end, close to the fixed end, of the connecting rod; the second pressing block and the first pressing block are sequentially arranged on the outer wall of one end, away from the fixed end, of the connecting rod from top to bottom, the second pressing block is in threaded connection with the outer wall of the connecting rod, the first pressing block is in sliding connection with the outer wall of the connecting rod, a first mounting hole is formed in the inner wall of the second pressing block, an anti-skidding layer is arranged on the end face, facing the fixed end, of the first pressing block, and a single-steering structure for limiting the rotation direction is arranged between the second pressing block and the first pressing block; the outer wall of the tensile rope is wound on the inner side of the spiral groove, and the tensile rope is made of carbon fiber; the locking assembly is arranged between the fixed end and the second pressing block and used for locking the tensile rope.
The spiral direction of the spiral groove is clockwise rotation when viewed from the top.
The single-steering structure comprises a first plane helical tooth and a second plane helical tooth, the first plane helical tooth is arranged on the end face, far away from the protective layer, of the first pressing block, the second plane helical tooth is arranged on the end face, facing the first pressing block, of the second pressing block, the first plane helical tooth and the second plane helical tooth are meshed with each other, the inclination direction of the first plane helical tooth is consistent with the spiral direction of the spiral groove, and the inclination direction of the second plane helical tooth is opposite to that of the first plane helical tooth.
The protective component comprises a protective layer and a sleeve, the protective layer is arranged on the outer wall of the connecting rod and the outer wall of the spiral groove, the protective layer is made of polyurethane, and the sleeve is sleeved on the outer side of the spiral groove on the connecting rod.
The locking assembly comprises a first locking screw and a second locking screw, the first locking screw and the second locking screw are respectively in threaded connection with the inner wall of the fixed end and the inner wall of the second pressing block, the axle centers of the first locking screw and the second locking screw are perpendicular to the connecting rod, the end part of the tensile rope is fixedly connected with the fixed end through the first locking screw after passing through the second mounting hole, and the end, far away from the second mounting hole, of the tensile rope is fixedly connected with the second pressing block through the second locking screw after passing through the first mounting hole.
The shape of the fixed end head and the second pressing block can be hexagonal, square or any other shape which is convenient for using a tool to generate torque.
The invention has the following beneficial effects:
1. compared with the prior art, this combination bolt of resistance to compression and tensile, the tensile rope of making through the carbon fiber, the winding is inboard at the helicla flute, both ends are fixed by fixed end and second briquetting, use the instrument to rotate second briquetting application of force and produce the moment of torsion, this moment of torsion causes the tensile rope to shrink along helicla flute and connecting rod outer wall, and the axial shortens, thereby compress tightly by the connecting piece, its tensile strength of the tensile rope that the carbon fiber made is greater than present common fastening screw in market far away, and through locking Assembly, can suitably adjust tensile rope length.
2. Compared with the prior art, the compression-resistant and tensile combined bolt has the advantages that the protective layer made of the polyurethane and the sleeve on the outer wall of the connecting rod can well protect the tensile rope, the abrasion condition of the tensile rope is reduced, and the service life is prolonged.
Drawings
Fig. 1 is a schematic view of an overall structure of a compression-resistant and tension-resistant combination bolt according to the present invention;
FIG. 2 is a partial cross-sectional view of the overall structure of a compression-resistant and tension-resistant combination bolt according to the present invention;
FIG. 3 is a bottom view of a second pressing block of the compression-resistant and tension-resistant combination bolt of the present invention;
FIG. 4 is a top view of a first pressing block of the compression-resistant and tension-resistant combination bolt of the present invention;
FIG. 5 is a bottom view of the first pressing block of the compression-resistant and tension-resistant combination bolt of the present invention;
FIG. 6 is a schematic view of a connecting rod and tensile rope connecting structure of a compression-resistant and tensile combination bolt according to the present invention;
FIG. 7 is a partial structural cross-sectional view of a connecting rod and a protective layer of the compression-resistant and tension-resistant combination bolt according to the present invention;
fig. 8 is a partial structural schematic view of a connecting rod and a fixing end of the compression-resistant and tensile-resistant combination bolt provided by the invention.
Illustration of the drawings:
1. a connecting rod; 2. fixing the end head; 3. a sleeve; 4. a first pressing block; 5. a second pressing block; 6. a first locking screw; 7. a second locking screw; 8. a tensile strand; 9. a first planar helical tooth; 10. a second planar helical tooth; 11. a first mounting hole; 12. an anti-slip layer; 13. a helical groove; 14. a protective layer; 15. and a second mounting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a compression and tension resistant combination bolt: comprises a connecting rod 1; the fixed end 2 is fixedly connected to the end part of the connecting rod 1, and a second mounting hole 15 is formed in the inner wall of the fixed end 2 and positioned on the outer side of the connecting rod 1; the spiral groove 13 is arranged on the outer wall of one end, close to the fixed end 2, of the connecting rod 1, and the spiral direction of the spiral groove 13 is clockwise rotation when viewed from the overlooking direction; the second pressing block 5 and the first pressing block 4 are sequentially arranged on the outer wall of one end, far away from the fixed end 2, of the connecting rod 1 from top to bottom, the second pressing block 5 is in threaded connection with the outer wall of the connecting rod 1, the first pressing block 4 is in sliding connection with the outer wall of the connecting rod 1, a first mounting hole 11 is formed in the inner wall of the second pressing block 5, an anti-skidding layer 12 is arranged on the end face, facing the fixed end 2, of the first pressing block 4, and a single-steering structure for limiting the rotation direction is arranged between the second pressing block 5 and the first pressing block 4; the outer wall of the tensile rope 8 is wound on the inner side of the spiral groove 13, and the tensile rope 8 is made of carbon fiber; and the locking component is arranged between the fixed end 2 and the second pressing block 5 and used for locking the tensile rope 8.
The single-steering structure comprises a first plane helical tooth 9 and a second plane helical tooth 10, the first plane helical tooth 9 is arranged on the end face, far away from the protective layer 14, of the first pressing block 4, the second plane helical tooth 10 is arranged on the end face, facing the first pressing block 4, of the second pressing block 5, the first plane helical tooth 9 and the second plane helical tooth 10 are meshed with each other, the tooth inclination direction of the first plane helical tooth 9 is consistent with the spiral direction of the spiral groove 13, the tooth inclination direction of the second plane helical tooth 10 is opposite to that of the first plane helical tooth 9, by the arrangement of the first plane helical teeth 9 and the second plane helical teeth 10 in a tooth inclination way and the matching of the anti-skid layer 12, when a tool is used for screwing the second pressing block 5 in the screw thread screwing direction, the second plane helical teeth 10 can slide over the first plane helical teeth 9, and when the force application of the tool is finished, the second pressing block 5 cannot rotate reversely to cause loosening through the meshing action of the first plane helical teeth 9 and the second plane helical teeth 10.
The protection component comprises a protection layer 14 and a second plane helical tooth 10 sleeve 3, the protection layer 14 is arranged on the outer walls of the connecting rod 1 and the spiral groove 13, the protection layer 14 is made of polyurethane, the sleeve 3 is sleeved on the outer side of the spiral groove 13 on the connecting rod 1, and the service life of the tensile rope 8 can be protected through the protection component.
Locking Assembly includes first locking screw 6, second locking screw 7, first locking screw 6, second locking screw 7 is threaded connection at fixed end 2 respectively, 5 inner walls of second briquetting, first locking screw 6, equal perpendicular and connecting rod 1 in second locking screw 7 axle center, through first locking screw 6 and 2 fixed connection of fixed end behind the 8 tip second mounting hole 15 of stretch-proofing rope, pass through second locking screw 7 and 5 fixed connection of second briquetting behind the one end that second mounting hole 15 was kept away from to stretch-proofing rope 8 passed first mounting hole 11, adopt the fixed mode of locking screw, conveniently confront stay cord 8 carries out length adjustment.
The shape of the fixed end 2 and the second pressing block 5 can be hexagonal, square or any other shape which is convenient for using a tool to generate torque, and the shape of the fixed end 2 and the second pressing block 5 is illustrated by taking the hexagonal shape as an example in the embodiment.
The working principle is as follows: one end of the tensile rope 8 penetrates through the second mounting hole 15 and is fixed through the first locking screw 6, the tensile rope 8 is further wound on the inner side of the spiral groove 13, the sleeve 3 is sleeved on the outer side, the combined connecting rod 1 is inserted into a hole of a fastened piece, the outer wall of the connecting rod 1 far away from the fixed end 2 is sleeved with the first pressing block 4, the other end of the tensile rope 8 with the reserved length penetrates through the first mounting hole 11, the second pressing block 5 is screwed into the outer wall of the connecting rod 1 to properly adjust the length of the tensile rope 8, the tensile rope 8 is locked and fixed through the second locking screw 7, further, the second pressing block 5 is screwed through a tool, the tensile rope 8 is axially shortened under the action of torque, and the fastened piece is compressed tightly.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a compression-resistant and tensile combination bolt which characterized in that: comprises a connecting rod (1);
the fixed end (2) is fixedly connected to the end part of the connecting rod (1), and a second mounting hole (15) is formed in the inner wall of the fixed end (2) and located on the outer side of the connecting rod (1);
the spiral groove (13) is arranged on the outer wall of one end, close to the fixed end (2), of the connecting rod (1);
the anti-skid device comprises a connecting rod (1), a second pressing block (5) and a first pressing block (4) which are sequentially arranged on the outer wall of one end, far away from the fixed end (2), of the connecting rod (1) from top to bottom, wherein the second pressing block (5) is in threaded connection with the outer wall of the connecting rod (1), the first pressing block (4) is in sliding connection with the outer wall of the connecting rod (1), a first mounting hole (11) is formed in the inner wall of the second pressing block (5), an anti-skid layer (12) is arranged on the end face, facing the fixed end (2), of the first pressing block (4), and a single-steering structure for limiting the rotation direction is arranged between the second pressing block (5) and the first pressing block (4);
the anti-stretching rope (8) and a protection component playing a role in protecting the outer side of the anti-stretching rope (8), wherein the outer wall of the anti-stretching rope (8) is wound on the inner side of the spiral groove (13), and the anti-stretching rope (8) is made of carbon fiber;
the locking component is arranged between the fixed end head (2) and the second pressing block (5) and used for locking the tensile rope (8).
2. The combination compression and tension bolt as defined in claim 1, wherein: the spiral groove (13) rotates clockwise when viewed from the top.
3. A combination compression and tension bolt as defined in claim 2, wherein: the single-steering structure comprises first plane helical teeth (9) and second plane helical teeth (10), the first plane helical teeth (9) are arranged on the end face, far away from a protective layer (14), of a first pressing block (4), the second plane helical teeth (10) are arranged on the end face, facing the first pressing block (4), of a second pressing block (5), the first plane helical teeth (9) and the second plane helical teeth (10) are meshed with each other, the tooth inclination direction of the first plane helical teeth (9) is consistent with the rotation direction of a spiral groove (13), and the tooth inclination direction of the second plane helical teeth (10) is opposite to that of the first plane helical teeth (9).
4. A combination compression and tension bolt as defined in claim 3 wherein: the protection component comprises a protection layer (14) and a sleeve (3), wherein the protection layer (14) is arranged on the outer wall of the connecting rod (1) and the outer wall of the spiral groove (13), the protection layer (14) is made of polyurethane, and the sleeve (3) is sleeved on the outer side of the spiral groove (13) on the connecting rod (1).
5. The combination compression and tension bolt as defined in claim 4, wherein: the locking assembly comprises a first locking screw (6) and a second locking screw (7), the first locking screw (6) and the second locking screw (7) are respectively in threaded connection with the inner walls of the fixed end (2) and the second pressing block (5), the axle centers of the first locking screw (6) and the second locking screw (7) are perpendicular to the connecting rod (1), the end portion of the tensile resistant rope (8) is fixedly connected with the fixed end (2) through the first locking screw (6) after the second mounting hole (15) is formed in the second mounting hole (15), and one end, far away from the second mounting hole (15), of the tensile resistant rope (8) penetrates through the first mounting hole (11) and then is fixedly connected with the second pressing block (5) through the second locking screw (7).
6. The combination compression and tension bolt as defined in claim 5, wherein: the fixed end head (2) and the second pressing block (5) can be hexagonal, square or any other shape which is convenient for using a tool to generate torque.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110897837.0A CN113669343B (en) | 2021-08-05 | 2021-08-05 | Compression-resistant and tensile combined bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110897837.0A CN113669343B (en) | 2021-08-05 | 2021-08-05 | Compression-resistant and tensile combined bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113669343A true CN113669343A (en) | 2021-11-19 |
| CN113669343B CN113669343B (en) | 2023-09-01 |
Family
ID=78541636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110897837.0A Active CN113669343B (en) | 2021-08-05 | 2021-08-05 | Compression-resistant and tensile combined bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113669343B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001059514A (en) * | 1999-08-23 | 2001-03-06 | Chuo Hatsujo Kogyo Kk | Looseness preventing structure for bolt and nut |
| CN103991808A (en) * | 2014-04-30 | 2014-08-20 | 江苏双盈纺织科技有限公司 | Crane steel wire rope arranging device |
| CN104141668A (en) * | 2013-05-06 | 2014-11-12 | 朱思学 | Load bearing device |
| CN207715516U (en) * | 2017-12-26 | 2018-08-10 | 东莞市安朗五金制品有限公司 | A kind of surface recombination passivation forming fastener |
| CN208185192U (en) * | 2018-05-18 | 2018-12-04 | 温州市力航汽车部件有限公司 | A kind of check bolt of auto parts and components lifting device |
| CN110985516A (en) * | 2019-12-30 | 2020-04-10 | 大冶特殊钢有限公司 | Anti-loose bolt and nut |
| CN216044932U (en) * | 2021-08-05 | 2022-03-15 | 浙江意动科技股份有限公司 | Compression-resistant and tensile combined bolt |
-
2021
- 2021-08-05 CN CN202110897837.0A patent/CN113669343B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001059514A (en) * | 1999-08-23 | 2001-03-06 | Chuo Hatsujo Kogyo Kk | Looseness preventing structure for bolt and nut |
| CN104141668A (en) * | 2013-05-06 | 2014-11-12 | 朱思学 | Load bearing device |
| CN103991808A (en) * | 2014-04-30 | 2014-08-20 | 江苏双盈纺织科技有限公司 | Crane steel wire rope arranging device |
| CN207715516U (en) * | 2017-12-26 | 2018-08-10 | 东莞市安朗五金制品有限公司 | A kind of surface recombination passivation forming fastener |
| CN208185192U (en) * | 2018-05-18 | 2018-12-04 | 温州市力航汽车部件有限公司 | A kind of check bolt of auto parts and components lifting device |
| CN110985516A (en) * | 2019-12-30 | 2020-04-10 | 大冶特殊钢有限公司 | Anti-loose bolt and nut |
| CN216044932U (en) * | 2021-08-05 | 2022-03-15 | 浙江意动科技股份有限公司 | Compression-resistant and tensile combined bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113669343B (en) | 2023-09-01 |
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Effective date of registration: 20230804 Address after: 237000 Lu'an economic and Technological Development Zone, Anhui Province Applicant after: ANHUI CHANGJIANG FASTENER CO.,LTD. Address before: Room 101, classic food industry innovation service complex, Youchegang Town, Xiuzhou District, Jiaxing City, Zhejiang Province Applicant before: Zhejiang Yidong Technology Co.,Ltd. |
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